Fixed Time Artificial Insemination in buffalo using different estrus synchronization protocols
The objective was to demonstrate the efficacy of ear implant and intravaginal progesterone device to synchronize estrus in female buffaloes (n=180) and use fixed time artificial insemination (FTAI) associated or not to GnRH. The buffaloes were raised and grazed in rotational artificial pastures supp...
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| Veröffentlicht in: | CES medicina veterinaria y zootecnia 2016-09, Vol.11 (3), p.208 |
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| creator | Rolim Filho, Sebastião Tavares Lobato Ribeiro, Haroldo Francisco Gomes Vale, William Colares De Sousa, Keitiane Figueiredo Lima, Wilton Alighiere De Souza, Gustavo Sarges Ramos, Anelise Castro Conde, Raphael da Costa Mileo, Victor Serra Martins, Felipe Firmino |
| description | The objective was to demonstrate the efficacy of ear implant and intravaginal progesterone device to synchronize estrus in female buffaloes (n=180) and use fixed time artificial insemination (FTAI) associated or not to GnRH. The buffaloes were raised and grazed in rotational artificial pastures supplemented with a commercial mineral mixture and water supplied ad libitum. Four groups with 45 females were established: group (G1) and G2 received ear implant, and beside that group G2 received 1 ml of GnRH (i.m.) at the time of insemination; group 3 and 4 received vaginal implant and group 4 was received 1 ml of GnRH i.m. at the time of insemination. Females were inseminated 60 hours after with drawal of progesterone implant. The protocol efficacy, for GnRH use, type of implant and the AI technician cleverness on pregnancy rates were evaluated and compared. Data collected were analyzed by chi-square statistical test, with 5% significance. The overall pregnancy rate was 46.6% (84/180), and 40.0%, 60.0%, 53.3% and 33.3% for G1, G2, G3 and G4 respectively, with statistic difference for pregnancy rate between G2 and G4 (P 0.05) between G2 and G4 pregnancy rate of 46.67% (42/90). Regarding the type of implant on pregnancy rate it was 50% (45/90) and 43.33% (39/90) respectively, also without any statistical difference (P>0.05), however the AI technician cleverness influenced the pregnancy rate (P |
| format | Article |
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The buffaloes were raised and grazed in rotational artificial pastures supplemented with a commercial mineral mixture and water supplied ad libitum. Four groups with 45 females were established: group (G1) and G2 received ear implant, and beside that group G2 received 1 ml of GnRH (i.m.) at the time of insemination; group 3 and 4 received vaginal implant and group 4 was received 1 ml of GnRH i.m. at the time of insemination. Females were inseminated 60 hours after with drawal of progesterone implant. The protocol efficacy, for GnRH use, type of implant and the AI technician cleverness on pregnancy rates were evaluated and compared. Data collected were analyzed by chi-square statistical test, with 5% significance. The overall pregnancy rate was 46.6% (84/180), and 40.0%, 60.0%, 53.3% and 33.3% for G1, G2, G3 and G4 respectively, with statistic difference for pregnancy rate between G2 and G4 (P<0.05). Meanwhile isolated evaluation of GnRH influence at the time of insemination did not show any statistical difference (P> 0.05) between G2 and G4 pregnancy rate of 46.67% (42/90). Regarding the type of implant on pregnancy rate it was 50% (45/90) and 43.33% (39/90) respectively, also without any statistical difference (P>0.05), however the AI technician cleverness influenced the pregnancy rate (P<0.05), being 37.93% (33/87) and 54.84% (51/93) for AI technician A and B, respectively. Therefore, the GnRH application associated with the implantation of auricle progesterone device produced better results.</description><identifier>ISSN: 1900-9607</identifier><identifier>EISSN: 1900-9607</identifier><language>spa</language><publisher>Universidad del CES</publisher><subject>Advertising executives ; Progesterone ; Sex hormones ; Water supply</subject><ispartof>CES medicina veterinaria y zootecnia, 2016-09, Vol.11 (3), p.208</ispartof><rights>COPYRIGHT 2016 Universidad del CES</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782</link.rule.ids></links><search><creatorcontrib>Rolim Filho, Sebastião Tavares</creatorcontrib><creatorcontrib>Lobato Ribeiro, Haroldo Francisco</creatorcontrib><creatorcontrib>Gomes Vale, William</creatorcontrib><creatorcontrib>Colares De Sousa, Keitiane</creatorcontrib><creatorcontrib>Figueiredo Lima, Wilton</creatorcontrib><creatorcontrib>Alighiere De Souza, Gustavo</creatorcontrib><creatorcontrib>Sarges Ramos, Anelise</creatorcontrib><creatorcontrib>Castro Conde, Raphael</creatorcontrib><creatorcontrib>da Costa Mileo, Victor</creatorcontrib><creatorcontrib>Serra Martins, Felipe Firmino</creatorcontrib><title>Fixed Time Artificial Insemination in buffalo using different estrus synchronization protocols</title><title>CES medicina veterinaria y zootecnia</title><description>The objective was to demonstrate the efficacy of ear implant and intravaginal progesterone device to synchronize estrus in female buffaloes (n=180) and use fixed time artificial insemination (FTAI) associated or not to GnRH. The buffaloes were raised and grazed in rotational artificial pastures supplemented with a commercial mineral mixture and water supplied ad libitum. Four groups with 45 females were established: group (G1) and G2 received ear implant, and beside that group G2 received 1 ml of GnRH (i.m.) at the time of insemination; group 3 and 4 received vaginal implant and group 4 was received 1 ml of GnRH i.m. at the time of insemination. Females were inseminated 60 hours after with drawal of progesterone implant. The protocol efficacy, for GnRH use, type of implant and the AI technician cleverness on pregnancy rates were evaluated and compared. Data collected were analyzed by chi-square statistical test, with 5% significance. The overall pregnancy rate was 46.6% (84/180), and 40.0%, 60.0%, 53.3% and 33.3% for G1, G2, G3 and G4 respectively, with statistic difference for pregnancy rate between G2 and G4 (P<0.05). Meanwhile isolated evaluation of GnRH influence at the time of insemination did not show any statistical difference (P> 0.05) between G2 and G4 pregnancy rate of 46.67% (42/90). Regarding the type of implant on pregnancy rate it was 50% (45/90) and 43.33% (39/90) respectively, also without any statistical difference (P>0.05), however the AI technician cleverness influenced the pregnancy rate (P<0.05), being 37.93% (33/87) and 54.84% (51/93) for AI technician A and B, respectively. 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The buffaloes were raised and grazed in rotational artificial pastures supplemented with a commercial mineral mixture and water supplied ad libitum. Four groups with 45 females were established: group (G1) and G2 received ear implant, and beside that group G2 received 1 ml of GnRH (i.m.) at the time of insemination; group 3 and 4 received vaginal implant and group 4 was received 1 ml of GnRH i.m. at the time of insemination. Females were inseminated 60 hours after with drawal of progesterone implant. The protocol efficacy, for GnRH use, type of implant and the AI technician cleverness on pregnancy rates were evaluated and compared. Data collected were analyzed by chi-square statistical test, with 5% significance. The overall pregnancy rate was 46.6% (84/180), and 40.0%, 60.0%, 53.3% and 33.3% for G1, G2, G3 and G4 respectively, with statistic difference for pregnancy rate between G2 and G4 (P<0.05). Meanwhile isolated evaluation of GnRH influence at the time of insemination did not show any statistical difference (P> 0.05) between G2 and G4 pregnancy rate of 46.67% (42/90). Regarding the type of implant on pregnancy rate it was 50% (45/90) and 43.33% (39/90) respectively, also without any statistical difference (P>0.05), however the AI technician cleverness influenced the pregnancy rate (P<0.05), being 37.93% (33/87) and 54.84% (51/93) for AI technician A and B, respectively. Therefore, the GnRH application associated with the implantation of auricle progesterone device produced better results.</abstract><pub>Universidad del CES</pub></addata></record> |
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| ispartof | CES medicina veterinaria y zootecnia, 2016-09, Vol.11 (3), p.208 |
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| language | spa |
| recordid | cdi_gale_infotracmisc_A596403182 |
| source | Alma/SFX Local Collection |
| subjects | Advertising executives Progesterone Sex hormones Water supply |
| title | Fixed Time Artificial Insemination in buffalo using different estrus synchronization protocols |
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